Polipo through 1.1.1, when NDEBUG is used, allows a heap-based buffer overflow during…
Priority MEDIUM 41CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Polipo through 1.1.1, when NDEBUG is used, allows a heap-based buffer overflow during parsing of a Range header. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01193 68th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:polipo_project:polipo:*:*:*:*:*:*:*:* | up to 1.1.1 | Vulnerable | Polipo Project |
- cpe:2.3:a:polipo_project:polipo:*:*:*:*:*:*:*:* Versions up to 1.1.1 Vulnerable ·Polipo Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-38614
- 2026-10-03 Alias added: GHSA-475r-cf2c-9qxh
References
More Polipo Project Polipo vulnerabilities
- TI-2011-03171 Polipo before 1.0.4.1 suffers from a DoD vulnerability via specially-crafted HTTP POST / PUT request. CVSS 3.1HIGH 7.5
- TI-2020-18668 Polipo through 1.1.1, when NDEBUG is omitted, allows denial of service via a reachable… CVSS 3.1HIGH 7.5
Sources
- CVE-2021-38614 · CVE Program
- CVE-2021-38614 · NVD
- FIRST EPSS
- GHSA-475r-cf2c-9qxh · GitHub Advisory Database · CC BY 4.0
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